Expert Witness Cost Estimator
ANA›Life Services Authority›National Calculator Authority›Expert Witness Cost Estimator
.calc-container { max-width: 640px; margin: 2rem 0; padding: 1.5rem; background: #fff; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); font-family: system-ui, -apple-system, sans-serif; } .calc-container h3 { font-family: Georgia, serif; font-size: 1.15rem; color: #1a1a1a; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; } .calc-row label { min-width: 160px; font-size: 0.9rem; color: #333; font-weight: 500; } .calc-row input[type="number"], .calc-row select { flex: 1; min-width: 120px; max-width: 200px; padding: 0.5rem 0.6rem; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9rem; font-family: system-ui, sans-serif; color: #1a1a1a; background: #fafaf8; } .calc-row input:focus, .calc-row select:focus { outline: none; border-color: var(--ac, #3d5a80); box-shadow: 0 0 0 2px rgba(26,74,138,0.12); } .calc-row .unit { font-size: 0.82rem; color: #888; min-width: 30px; } .calc-btn { display: inline-block; margin-top: 0.5rem; padding: 0.55rem 1.5rem; background: var(--ac, #3d5a80); color: #fff; border: none; border-radius: 4px; font-size: 0.9rem; font-weight: 600; cursor: pointer; font-family: system-ui, sans-serif; } .calc-btn:hover { opacity: 0.9; } .calc-result { margin-top: 1.25rem; padding: 1rem 1.25rem; background: #f0f6fc; border-left: 3px solid var(--ac, #3d5a80); border-radius: 0 6px 6px 0; display: none; } .calc-result.visible { display: block; } .calc-result-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: #666; margin-bottom: 0.25rem; } .calc-result-value { font-size: 1.6rem; font-weight: 700; color: var(--ac, #3d5a80); } .calc-result-detail { font-size: 0.85rem; color: #555; margin-top: 0.5rem; line-height: 1.5; } .calc-note { margin-top: 1rem; font-size: 0.8rem; color: #888; font-style: italic; } .calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem; } .calc-grid-item { padding: 0.6rem 0.8rem; background: #f8f9fa; border-radius: 4px; border: 1px solid #eee; } .calc-grid-item .label { font-size: 0.75rem; color: #888; text-transform: uppercase; letter-spacing: 0.04em; } .calc-grid-item .value { font-size: 1.1rem; font-weight: 600; color: #1a1a1a; } @media (max-width: 720px) { .calc-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; } .calc-row label { min-width: auto; } .calc-row input[type="number"], .calc-row select { max-width: 100%; width: 100%; } .calc-grid { grid-template-columns: 1fr; } } .calc-chart { margin: 1rem 0; text-align: center; } .calc-chart svg { max-width: 100%; height: auto; } .calc-chart-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.2rem; margin-top: 0.6rem; font-size: 0.8rem; color: #555; } .calc-chart-legend span { display: inline-flex; align-items: center; gap: 0.3rem; } .calc-chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; font-style: normal; } .calc-related { max-width: 640px; margin: 2rem 0 1rem; padding: 1.25rem 1.5rem; background: #f8f9fa; border: 1px solid #e8e8e8; border-radius: 8px; } .calc-related h3 { font-family: Georgia, serif; font-size: 1rem; color: #1a1a1a; margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--ac, #3d5a80); } .calc-related-list { list-style: none; padding: 0; margin: 0 0 0.75rem; display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 1.5rem; } .calc-related-list li a { font-size: 0.88rem; color: var(--ac, #3d5a80); text-decoration: none; } .calc-related-list li a:hover { text-decoration: underline; } .calc-browse-all { margin: 0.5rem 0 0; font-size: 0.9rem; font-weight: 600; } .calc-browse-all a { color: var(--ac, #3d5a80); text-decoration: none; } .calc-browse-all a:hover { text-decoration: underline; } @media (max-width: 720px) { .calc-related-list { grid-template-columns: 1fr; } }
Expert Witness Cost Estimator
Estimates total expert witness costs including retainer, preparation time, deposition, trial testimony, and travel expenses.
Expert Hourly Rate ($)
Initial Retainer ($)
Case Review & Report Writing (hours)
Deposition Testimony (hours)
Deposition Preparation (hours)
Trial Testimony (days)
Trial Preparation (hours)
Billable Hours per Trial Day
Travel Days (round trip)
Travel Day Rate (% of hourly × 8 hrs)
Airfare & Ground Transport ($)
Hotel Nights
Hotel Rate per Night ($)
Miscellaneous Expenses ($)
Number of Expert Witnesses
Calculate
function expCalc() { var errors = [];
var hourlyRate = parseFloat(document.getElementById('exp-hourly-rate').value); var retainer = parseFloat(document.getElementById('exp-retainer').value) || 0; var reviewHrs = parseFloat(document.getElementById('exp-case-review-hrs').value) || 0; var depoHrs = parseFloat(document.getElementById('exp-depo-hrs').value) || 0; var depoPrepHrs = parseFloat(document.getElementById('exp-depo-prep-hrs').value) || 0; var trialDays = parseFloat(document.getElementById('exp-trial-days').value) || 0; var trialPrepHrs = parseFloat(document.getElementById('exp-trial-prep-hrs').value) || 0; var hrsPerDay = parseFloat(document.getElementById('exp-hrs-per-day').value) || 8; var travelDays = parseFloat(document.getElementById('exp-travel-days').value) || 0; var travelRatePct = parseFloat(document.getElementById('exp-travel-rate-pct').value) || 50; var airfare = parseFloat(document.getElementById('exp-airfare').value) || 0; var hotelNights = parseFloat(document.getElementById('exp-hotel-nights').value) || 0; var hotelRate = parseFloat(document.getElementById('exp-hotel-rate').value) || 0; var misc = parseFloat(document.getElementById('exp-misc').value) || 0; var numExperts = parseFloat(document.getElementById('exp-num-experts').value) || 1;
if (isNaN(hourlyRate) || hourlyRate 24) errors.push("Billable hours per trial day must be between 1 and 24."); if (numExperts 100) errors.push("Travel day rate percentage must be between 0 and 100.");
if (errors.length > 0) { document.getElementById('exp-result').innerHTML = 'Please fix the following:' + errors.map(function(e){ return ''; }).join('') + ''; return; }
// --- Core Calculations (per expert) ---
// 1. Retainer (applied once, credited against future billing) var retainerCost = retainer;
// 2. Case review, research & report writing var reviewCost = reviewHrs * hourlyRate;
// 3. Deposition preparation + testimony var depoCost = (depoPrepHrs + depoHrs) * hourlyRate;
// 4. Trial testimony: days × hours/day × hourly rate var trialTestimonyCost = trialDays * hrsPerDay * hourlyRate;
// 5. Trial preparation var trialPrepCost = trialPrepHrs * hourlyRate;
// 6. Travel time compensation: travel days × 8 hrs × (travelRatePct/100) × hourlyRate var travelTimeCost = travelDays * 8 * (travelRatePct / 100) * hourlyRate;
// 7. Out-of-pocket travel expenses var travelExpenses = airfare + (hotelNights * hotelRate);
// 8. Miscellaneous var miscCost = misc;
// --- Total per expert --- var totalPerExpert = retainerCost + reviewCost + depoCost + trialTestimonyCost + trialPrepCost + travelTimeCost + travelExpenses + miscCost;
// --- Grand total for all experts --- var grandTotal = totalPerExpert * numExperts;
// --- Billable hours summary --- var totalBillableHrs = reviewHrs + depoPrepHrs + depoHrs + (trialDays * hrsPerDay) + trialPrepHrs + (travelDays * 8 * (travelRatePct / 100));
var fmt = function(n) { return '$' + n.toLocaleString('en-US', {minimumFractionDigits:2, maximumFractionDigits:2}); };
var html = '### Expert Witness Cost Estimate '; html += ''; html += 'Cost ComponentPer Expert'; html += 'Initial Retainer' + fmt(retainerCost) + ''; html += 'Case Review & Report Writing (' + reviewHrs + ' hrs)' + fmt(reviewCost) + ''; html += 'Deposition Prep (' + depoPrepHrs + ' hrs) + Testimony (' + depoHrs + ' hrs)' + fmt(depoCost) + ''; html += 'Trial Testimony (' + trialDays + ' days × ' + hrsPerDay + ' hrs)' + fmt(trialTestimonyCost) + ''; html += 'Trial Preparation (' + trialPrepHrs + ' hrs)' + fmt(trialPrepCost) + ''; html += 'Travel Time Compensation (' + travelDays + ' days @ ' + travelRatePct + '%)' + fmt(travelTimeCost) + ''; html += 'Airfare & Ground Transport' + fmt(airfare) + ''; html += 'Hotel (' + hotelNights + ' nights × ' + fmt(hotelRate) + ')' + fmt(hotelNights * hotelRate) + ''; html += 'Miscellaneous Expenses' + fmt(miscCost) + ''; html += 'Total Per Expert' + fmt(totalPerExpert) + ''; if (numExperts > 1) { html += 'Grand Total (' + numExperts + ' Experts)' + fmt(grandTotal) + ''; } html += '';
html += 'Total Billable Hours (per expert): ' + totalBillableHrs.toFixed(1) + ' hrs
'; html += 'Effective Hourly Rate: ' + fmt(hourlyRate) + '/hr
';
// Budget ranges var low = grandTotal * 0.85; var high = grandTotal * 1.20; html += 'Estimated Budget Range: ' + fmt(low) + ' – ' + fmt(high) + '
'; html += 'Range reflects ±15%/+20% variance for scope changes, additional preparation, or extended testimony.
';
document.getElementById('exp-result').innerHTML = html; }
#### Formulas Used
Review & Report Cost = Review Hours × Hourly Rate
Deposition Cost = (Deposition Prep Hours + Deposition Testimony Hours) × Hourly Rate
Trial Testimony Cost = Trial Days × Billable Hours per Day × Hourly Rate
Trial Preparation Cost = Trial Prep Hours × Hourly Rate
Travel Time Cost = Travel Days × 8 × (Travel Rate % ÷ 100) × Hourly Rate
Travel Expenses = Airfare + (Hotel Nights × Hotel Rate per Night)
Total per Expert = Retainer + Review + Deposition + Trial Testimony + Trial Prep + Travel Time + Travel Expenses + Miscellaneous
Grand Total = Total per Expert × Number of Experts
Budget Range = Grand Total × 0.85 (low) to Grand Total × 1.20 (high)
#### Assumptions & References
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